Year % of GDP 1980 7.868680877786691 1981 12.216801824632501 1982 19.277386753293598 1983 13.9584833721669 1984 12.7339251439539 1985 24.8464148584695 1987 15.8895334174023 1988 16.2723508803858 1989 13.0775745257453 1990 10.743878769782 1991 13.011254789272 2002 3.92996992225186 2003 3.3339948402460804 2004 2.43385968557379 2005 1.99301626863922 2006 1.75050764857182 2007 1.9598415997187701 2008 2.01050092711317 2009 1.99221317692269 2010 1.47390908321736 2021 6.452355112331699 2022 6.962166118537249